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A120803 Number of series-reduced balanced trees with n leaves. +0
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1, 1, 1, 2, 2, 4, 4, 8, 9, 16, 20, 37, 47, 80, 111, 183, 256, 413, 591, 940, 1373, 2159, 3214, 5067, 7649, 12054, 18488, 29203, 45237, 71566, 111658, 176710, 276870, 437820, 687354, 1085577, 1705080, 2688285, 4221333, 6644088, 10425748 (list; graph; listen)
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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